distinction 　　
　　distinction
　　he is a man of distinction
　　distort
　　distraction
　　you have a lot of distractions in your life.
　　distribution
　　collection and distribution system
　　distributor
　　diverge
　　converge
　　divergence
　　divergent
　　diverse
　　diversity
　　diversify
　　you don't know anything about it.
　　dogma
　　you can never teach old dog to learn new tricks.
　　dolphin
　　domain
　　dominant
　　donate
　　donor
　　downplay
　　drawback
　　drawback your tax
　　recall
　　drought
　　dump
　　echolocation
　　ecological
　　ecosystem
　　egalitarianism
　　elab orate
　　elicit
　　elicit a conclusion
　　eligible
　　eliminate
　　elite